Home / 48,583.12-72,874.68-13,525.52

Finding the Fourth Proportional to 48,583.12, 72,874.68 and 13,525.52

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Solution

The fourth proportional to 48,583.12, 72,874.68 and 13,525.52 is: 20,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583.12 : 72,874.68 = 13,525.52 : x
  2. Step 2: Convert to fraction form
    48,583.12/72,874.68 = 13,525.52/x
  3. Step 3: Cross multiply
    48,583.12x = 72,874.68 × 13,525.52
  4. Step 4: Simplify right side
    48,583.12x = 985,667,941.83
  5. Step 5: Solve for x
    x = 985,667,941.83/48,583.12
  6. Step 6: Final answer
    x = 20,288.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.